Resort Boin(2007)

Resort Boin is an anime series following Daisuke, who heads to a tropical island for spring break expecting a relaxing vacation. Instead, he becomes unexpectedly popular with the women around him. His childhood friends Nao and Mitsugu arrive to compete for his attention as usual, while he reconnects with his cousin Maya and meets the spirited Kanae and her friend Mika. The series balances romantic comedy with slice-of-life humor as various characters converge on the island resort, each with their own intentions and dynamics. Amid the tropical setting and casual atmosphere, Daisuke navigates the complications that arise when multiple love interests collide.